Finding the Fourth Proportional to 23,730.32, 32,710.16 and 18,686.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,730.32 : 32,710.16 = 18,686.56 : x
2. Step 2: Convert to fraction form
   23,730.32/32,710.16 = 18,686.56/x
3. Step 3: Cross multiply
   23,730.32x = 32,710.16 × 18,686.56
4. Step 4: Simplify right side
   23,730.32x = 611,240,367.45
5. Step 5: Solve for x
   x = 611,240,367.45/23,730.32
6. Step 6: Final answer
   x = 25,757.78